Engine Controls - Trouble Shooting - No Codes

• Introduction
• Malfunction Indicator Light Diagnosis
  • Mil Does Not Illuminate
  • Mil Does Not Go Out
  • Mil Does Not Blink At A Cycle Of 3 HZ
  • Mil Continues Blinking At A Cycle Of 3 HZ
• Symptoms
  • Symptom Diagnosis
  • Engine Stalls During Idle
  • Rough Idle
  • Engine Does Not Return To Idle
  • Poor Acceleration
  • Engine Stalls, Sags Or Hesitates During Acceleration
  • Surge
  • Spark Knock
  • After-Burn In Exhaust System
• INTERMITTENTS
  • Intermittent Problem Diagnosis
  • Test Procedures
    • Intermittent Simulation